%0 Journal Article %A Dmitry Portnyagin %T Estimates of weak solutions to nondiagonal quasilinear parabolic systems %J Annales Polonici Mathematici %D 2005 %P 55-75 %V 85 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap85-1-5/ %R 10.4064/ap85-1-5 %G en %F 10_4064_ap85_1_5